81277984 (number)

81277984 is an even 8-digits composite number following 81277983 and preceding 81277985. In scientific notation, it is written as 8.1277984 × 10^7. The sum of its digits is 46. It has a total of 7 prime factors and 24 positive divisors. There are 40503360 positive integers (up to 81277984) that are relatively prime to 81277984.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred seventy-seven thousand nine hundred eighty-four

Notation

Scientific notation 8.1277984 × 10^7
Engineering notation 8.1277984 × 10^6

Prime Factorization of 81277984

Prime Factorization 2 × 2 × 2 × 2 × 2 × 311 × 8167

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 5079874
Product of the distinct prime numbers

The prime factorization of 81277984 is 2 × 2 × 2 × 2 × 2 × 311 × 8167. Since it has a total of 7 prime factors.

Most popular turbo-numbers

10, 2, 31, 57, 147, 91, 4284, 3944, 45635, 86329, 970248, 220276, 4475497, 8915720, 38283379, 47178592, 703585311, 920863338, 2496800386, 4926457368

Basic calculations (n = 81277984)

Multiplication

n×y
n×2 162555968
n×3 243833952
n×4 325111936
n×5 406389920

Division

n÷y
n÷2 40638992
n÷3 27092661.333333
n÷3 20319496
n÷5 16255596.8

Exponentiation

ny
n2 6606110683104256
n3 5.3693135840358E+23
n4 4.3640698357424E+31
n5 3.5470279828435E+39

Nth Root

y√n
2√n 9015.4303280542
3√n 433.16927175283
4√n 94.949619946866
5√n 38.193950823508

Divisors of 81277984

1, 2, 4, 8, 16, 32, 311, 622, 1244, 2488, 4976, 8167, 9952, 16334, 32668, 65336, 130672, 261344, 2539937, 5079874, 10159748, 20319496, 40638992, 81277984

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81277983
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81277984 can be divided by 24 positive divisors. The sum of these divisors (counting 81277984) is 1, the average is 0.041666666666667.

Base conversion 81277984

Base System Value
2 Binary 100110110000011010000100000
3 Ternary 12122221100102201
4 Quaternary 10312003100200
5 Quinary 131301343414
6 Senary 12022022544
8 Octal 466032040
10 Decimal 81277984
12 Duodecimal 23277a54
16 Hexadecimal 4d83420
20 Vigesimal 157jej4
36 Base36 1ce2hs

Cryptographic Hash Functions

md5 5163b200d8effbc0a85af98d13d41a19
sha1 6082c459b2d7f8bbf942deeebe76d47a39c003a4
sha256 a40772dab65940992703061f56c476e67ba31332c38f34725b1c9dae5df24cc0
sha512 2a5dd9fdfc24542c02443fd9a78758e5bee93639d1ed45da92fe5f012becfcbdb24f07fa97e87ff885892383f92b5455fa433fa360f7e7d7804a860d55373d28
ripemd-160 de2114144890377403339c89d38081b0d7285d1a

81277984 as geometric shapes

Circle

Radius = n
Diameter 162555968
Circumference 510684634.86598
Area 2.0753708790841E+16

Sphere

Radius = n
Volume 2.2490928147236E+24
Surface area 8.3014835163366E+16
Circumference 510684634.86598

Square

Length = n
Perimeter 325111936
Area 6606110683104256
Diagonal 114944427.29514

Cube

Length = n
Surface area 39636664098625536
Volume 5.3693135840358E+23
Space diagonal 140777597.82477

Equilateral Triangle

Length = n
Perimeter 243833952
Area 2.86052983589E+15
Altitude 70388798.912385

Triangular Pyramid

Length = n
Surface area 2.86052983589E+15
Volume 6.3277967426479E+22
Height 38314809.098381